<template>
	<view class="my-settle-container">
		<!-- 全选的 -->
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck" />全选<text></text>
		</label>
		
		<!-- 合计的 -->
		<view class="amount-box">
			合计:<text class="amount">¥{{checkedGoodsAmount}}</text>
		</view>
		
		<!-- 结算按钮的 -->
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
		
	</view>
</template>

<script>
	// 按需导入辅助函数
	import { mapGetters, mapMutations, mapState } from 'vuex'
	
	export default {
		name:"my-settle",
		data() {
			return {
				// 倒计时秒数
				seconds: 3,
				// 定时器的id
				timer: null
			};
		},
		
		// 计算属性
		computed: {
			...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
			// 把用户里的地址 映射过来
			...mapGetters('m_user', ['addstr']),
			// 把user里的state里的token映射过来
			...mapState('m_user', ['token']),
			
			...mapState('m_cart', ['cart']),
			
			isFullCheck() {
				return this.total === this.checkedCount
			}
		},
		
		methods: {
			...mapMutations('m_cart', ['updateAllGoodsState']),
			...mapMutations('m_user', ['updateRedirectInfo']),
			
			changeAllState() {
				console.log(!this.isFullCheck)
				this.updateAllGoodsState(!this.isFullCheck)
			},
			
			// 结算按钮的事件
			settlement() {
				if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
				
				if (!this.addstr) return uni.$showMsg('请选择收获地址')
				
				//if (!this.token) return uni.$showMsg('请先登录！')
				if (!this.token) return this.delayNavigate()
				
				this.payOrders() 
			},
			
			async payOrders() {
				// 1 创建订单 
				const orderInfos = {
					// order_price: this.checkedGoodsAmount,
					order_price: 0.01,
					consignee_addr: this.addstr,
					goods: this.cart.filter(x => x.goods_state).map(x => ({
						goods_id: x.goods_id,
						goods_number: x.goods_count,
						goods_price: x.goods_price
					}))
				}
				
				// 发起请求 创建订单
				const {data: res} = await uni.$http.post('api/public/v1/my/orders/create', orderInfos)
				if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
				
				// 得到服务器响应的 订单编号
				const orderNumber = res.message.order_number
				console.log(orderNumber)
				
				// 2 订单预支付
				const {data: res2} = await uni.$http.post('api/public/v1/my/orders/req_unifiedorder', {order_number: orderNumber})
				if (res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败！')
				const payInfo = res2.message.pay
				console.log(payInfo)
				
				// 3. 发起微信支付
				const [err, succ] = await uni.requestPayment(payInfo)
				if (err) return uni.$showMsg('订单未支付')
				// 查询支付的结果（用订单号）
				const {data: res3} = await uni.$http.post('api/public/v1/my/orders/chkOrder', {order_number: orderNumber})
				if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
				uni.showToast({
					title: '订单支付完成',
					icon: 'success'
				})
			},
			
			// 延时导航到my页面
			delayNavigate() {
				this.seconds = 3
				this.showTips(this.seconds)
				
				this.timer = setInterval(() => {
					this.seconds--
					if (this.seconds <= 0) {
						clearInterval(this.timer)
						
						uni.switchTab({
							url: '/pages/my/my',
							
							// 成功后更新重定向信息
							success: () => {
								//调用vuex的 updateredirectinfo方法,把跳转信息存储到 Store中
								this.updateRedirectInfo({
									openType: 'switchTab',
									from: '/pages/cart/cart'
								})
							}
						})
						return
					}
					
					this.showTips(this.seconds)
				}, 1000)
			},
			
			// 展示倒计时的提示消息
			showTips(n) {
				uni.showToast({
					icon: 'none',
					title: '请登录后再结算!'+ n + '秒后自动跳转到登录页',
					mask: true, // 防止穿透操作
					duration: 1500 //1.5秒后消失
				})
			}
		}
	}
</script>

<style lang="scss">
	.my-settle-container {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		height: 50px;
		background-color: white;
		
		display: flex;
		justify-content: space-between;
		align-items: center; //纵向居中
		font-size: 14px;
		padding-left: 5px;
 		
		
		.radio {
			display: flex;
			align-items: center;
		}
		
		.amount-box {
			.amount {
				color: #C00000;
				font-weight: bold;
			}
		}
		
		.btn-settle {
			background-color: #C00000;
			height: 50px;
			color: white;
			line-height: 50px;
			padding: 0 10px;
			min-width: 100px;
			text-align: center;
		}
	}
</style>
